trying_out_go/pkg/date/date.go

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package calendar
import "errors"
// Date Struct
type Date struct {
year int
month int
day int
}
// Setter Methods
// SetYear Method
func (d *Date) SetYear(year int) error {
if year < 1 {
return errors.New("invalid year")
}
d.year = year
return nil
}
// SetMonth Method
func (d *Date) SetMonth(month int) error {
if month < 1 || month > 12 {
return errors.New("invalid month")
}
d.month = month
return nil
}
// SetDay Method
func (d *Date) SetDay(day int) error {
if day < 1 || day > 31 {
return errors.New("invalid day")
}
d.day = day
return nil
}
// Getter Methods
// Year Method
func (d *Date) Year() int {
return d.year
}
// Month Method
func (d *Date) Month() int {
return d.month
}
// Day Method
func (d *Date) Day() int {
return d.day
}